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LibGUI: Add a GItemView class.

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This is a GAbstractView subclass that implements a icon-based view onto
a GModel. It still need a bunch of work, but it's in basic usable shape.
This commit is contained in:
Andreas Kling 2019-03-23 03:53:51 +01:00
parent 5707d7f547
commit 19fa70c821
16 changed files with 361 additions and 47 deletions
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44
LibGUI/GItemView.h Normal file
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#pragma once
#include <LibGUI/GModel.h>
#include <LibGUI/GAbstractView.h>
#include <AK/Function.h>
#include <AK/HashMap.h>
class GScrollBar;
class Painter;
class GItemView : public GAbstractView {
public:
explicit GItemView(GWidget* parent);
virtual ~GItemView() override;
int content_width() const;
int horizontal_padding() const { return m_horizontal_padding; }
void scroll_into_view(const GModelIndex&, Orientation);
Size effective_item_size() const { return m_effective_item_size; }
int model_column() const { return m_model_column; }
void set_model_column(int column) { m_model_column = column; }
virtual const char* class_name() const override { return "GItemView"; }
private:
virtual void did_update_model() override;
virtual void paint_event(GPaintEvent&) override;
virtual void resize_event(GResizeEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void keydown_event(GKeyEvent&) override;
int item_count() const;
Rect item_rect(int item_index) const;
void update_content_size();
int m_horizontal_padding { 5 };
int m_model_column { 0 };
int m_visual_column_count { 0 };
int m_visual_row_count { 0 };
Size m_effective_item_size { 80, 80 };
};